Update actions/checkout action to v6 (#118)

This PR contains the following updates:

| Package | Type | Update | Change | Age | Confidence |
|---|---|---|---|---|---|
| [actions/checkout](https://redirect.github.com/actions/checkout) |
action | major | `v5` -> `v6` |
[![age](https://developer.mend.io/api/mc/badges/age/github-tags/actions%2fcheckout/v6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/github-tags/actions%2fcheckout/v5/v6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
| [actions/checkout](https://redirect.github.com/actions/checkout) |
action | major | `v4` -> `v6` |
[![age](https://developer.mend.io/api/mc/badges/age/github-tags/actions%2fcheckout/v6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/github-tags/actions%2fcheckout/v4/v6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
| [actions:checkout](https://redirect.github.com/actions/checkout) | |
major | `v5` -> `v6` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/actions:checkout/v6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/actions:checkout/v5/v6?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>actions/checkout (actions/checkout)</summary>

### [`v6`](https://redirect.github.com/actions/checkout/compare/v5...v6)

[Compare
Source](https://redirect.github.com/actions/checkout/compare/v5...v6)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about these
updates again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/typesafegithub/github-actions-typing-catalog).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0Mi4xNi4xIiwidXBkYXRlZEluVmVyIjoiNDIuMTYuMSIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOltdfQ==-->

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Piotr Krzemiński <3110813+krzema12@users.noreply.github.com>
Co-authored-by: Piotr Krzeminski <git@krzeminski.it>

Author: renovate[bot]

.github/workflows/test.main.kts

@@ -6,7 +6,7 @@
 @file:DependsOn("com.github.sya-ri:kgit:1.1.0")
 
 @file:Repository("https://bindings.krzeminski.it")
-@file:DependsOn("actions:checkout:v5")
+@file:DependsOn("actions:checkout:v6")
 @file:OptIn(ExperimentalKotlinLogicStep::class)
 @file:Suppress("UNCHECKED_CAST")
 

.github/workflows/test.yaml

@@ -31,7 +31,7 @@ jobs:
     - 'check_yaml_consistency'
     steps:
     - id: 'step-0'
-      uses: 'actions/checkout@v5'
+      uses: 'actions/checkout@v6'
     - id: 'step-1'
       run: |-
         find -name *.main.kts -print0 | while read -d $'\0' file
@@ -46,7 +46,7 @@ jobs:
     - 'check_yaml_consistency'
     steps:
     - id: 'step-0'
-      uses: 'actions/checkout@v5'
+      uses: 'actions/checkout@v6'
     - id: 'step-1'
       name: 'Check for actions'
       env:
@@ -59,7 +59,7 @@ jobs:
     - 'check_yaml_consistency'
     steps:
     - id: 'step-0'
-      uses: 'actions/checkout@v5'
+      uses: 'actions/checkout@v6'
     - id: 'step-1'
       run: 'cd .github/workflows'
     - id: 'step-2'

.github/workflows/update-metadata.main.kts

@@ -5,7 +5,7 @@
 @file:DependsOn("org.eclipse.jgit:org.eclipse.jgit:7.4.0.202509020913-r")
 
 @file:Repository("https://bindings.krzeminski.it")
-@file:DependsOn("actions:checkout:v5")
+@file:DependsOn("actions:checkout:v6")
 @file:DependsOn("actions:setup-java:v5")
 
 import io.github.typesafegithub.workflows.actions.actions.Checkout

.github/workflows/update-metadata.yaml

@@ -27,7 +27,7 @@ jobs:
     - 'check_yaml_consistency'
     steps:
     - id: 'step-0'
-      uses: 'actions/checkout@v5'
+      uses: 'actions/checkout@v6'
     - id: 'step-1'
       uses: 'actions/setup-java@v5'
       with: